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authorTakashi Iwai <tiwai@suse.de>2006-12-18 16:16:04 +0100
committerJaroslav Kysela <perex@suse.cz>2007-01-09 09:06:17 +0100
commit6afeb11de5b28e47adea1459c35e598bb98424d6 (patch)
tree07f4dba0e2fb094b448eb9863de7b6364b768add /sound
parent[ALSA] hda_intel: ALSA HD Audio patch for Intel ICH9 (diff)
downloadlinux-dev-6afeb11de5b28e47adea1459c35e598bb98424d6.tar.xz
linux-dev-6afeb11de5b28e47adea1459c35e598bb98424d6.zip
[ALSA] hda-codec - Fix NULL dereference in generic hda code
Fix NULL dereference in hda_generic.c. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_generic.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 97e9af130b71..1589d2f2917f 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -485,8 +485,9 @@ static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl)
return "Front Aux";
return "Aux";
case AC_JACK_MIC_IN:
- if (node->pin_caps &
- (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))
+ if (pinctl &&
+ (node->pin_caps &
+ (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT)))
*pinctl |= AC_PINCTL_VREF_80;
if ((location & 0x0f) == AC_JACK_LOC_FRONT)
return "Front Mic";